Surname สุพัฒนชัย (สุพัฒนชัย 
, Supattanachai ) , all over the world, is an extremely rare last name. The family name สุพัฒนชัย is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, สุพัฒนชัย is the forename as well as the last name.